208889230

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1123}}^1$

素因数の和:1249

約数の個数: 64

約数和(自身を含む): 437011200

約数和(自身を除く): 228121970

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 89, 95, 110, 178, 190, 209, 418, 445, 890, 979, 1045, 1123, 1691, 1958, 2090, 2246, 3382, 4895, 5615, 8455, 9790, 11230, 12353, 16910, 18601, 21337, 24706, 37202, 42674, 61765, 93005, 99947, 106685, 123530, 186010, 199894, 213370, 234707, 469414, 499735, 999470, 1099417, 1173535, 1898993, 2198834, 2347070, 3797986, 5497085, 9494965, 10994170, 18989930, 20888923, 41777846, 104444615, 208889230]

約数ペア:

[(1, 208889230), (2, 104444615), (5, 41777846), (10, 20888923), (11, 18989930), (19, 10994170), (22, 9494965), (38, 5497085), (55, 3797986), (89, 2347070), (95, 2198834), (110, 1898993), (178, 1173535), (190, 1099417), (209, 999470), (418, 499735), (445, 469414), (890, 234707), (979, 213370), (1045, 199894), (1123, 186010), (1691, 123530), (1958, 106685), (2090, 99947), (2246, 93005), (3382, 61765), (4895, 42674), (5615, 37202), (8455, 24706), (9790, 21337), (11230, 18601), (12353, 16910)]